ClassID:

104356

C09K8/882 - CPC Classification

Classification description:

Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations; Compositions for stimulating production by acting on the underground formation; Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds

Recent Application in this class:
#1
20260085229
2026-03-26

COMPOSITE DIVERSION PARTICLE AGGLOMERATION

#2
20260062504
2026-03-05

SHEAR-RESISTANT, HIGH-DRAG-REDUCING, MEDIUM-VISCOSITY SLICKWATER DRAG REDUCING AGENT AND PREPARATION METHOD THEREFOR

#3
20250313746
2025-10-09

POLYMER SYSTEMS FOR SUBTERRANEAN ENERGY STORAGE

#4
20250304853
2025-10-02

BIOLOGICAL SLICKWATER FLUIDS AND METHODS OF USE THEREOF IN CONJUNCTION WITH SUBTERRANEAN OPERATIONS

#5
20250084300
2025-03-13

RADIATION ACTIVATED WELL TREATMENT

#6
20250035527
2025-01-30

MODELING OPTIMIZED FRICTION REDUCING COMPOSITIONS FOR DOWNHOLE FLUID COMPOSITIONS AND METHODS OF MAKING AND USING

#7
20240279154
2024-08-22

PROCESS FOR OBTAINING BIO-SOURCED DIALLYLDIALKYLAMMONIUM HALIDE

#8
20240254384
2024-08-01

METHOD FOR OBTAINING BIO-SOURCED (METH)ALLYLSULFONATE ALKALI SALT

#9
20240247184
2024-07-25

PARTICLES FOR CARRIERS AND TRACERS

#10
20240247182
2024-07-25

FRACTURING METHODS USING TAGGED POLYMERS

#11
20240240073
2024-07-18

THERMAL INSULATING FLUIDS

#12
20240200726
2024-06-20

SURFACE-TREATED, TRANSPORTABLE ISO TANKS AND METHODS OF REDUCING DEPOSITION OF A FRICTION REDUCER ON A SURFACE

#13
20240200428
2024-06-20

SURFACE-TREATED GRAVEL PACK SCREENS AND METHODS OF REDUCING DEPOSITION OF A CONTAMINANT ON A SURFACE OF A GRAVEL PACK SCREEN

#14
20240199968
2024-06-20

METHODS OF REDUCING FRICTION ON A SURFACE OF AN APPARATUS THAT STORES OR TRANSPORTS A GAS

#15
20240191129
2024-06-13

WATER-BASED FRICTION-REDUCING SLURRY COMPOSITIONS, FORMATION TREATING FLUIDS THEREFROM, AND METHOD FOR MAKING AND USING SAME

#16
20240158689
2024-05-16

SYNERGISTIC COMBINATION OF SURFACTANTS WITH FRICTION REDUCERS

#17
20240117243
2024-04-11

Aqueous Based, Water-Soluble Polymer Slurry System

#18
20240110090
2024-04-04

COMPOSITE DIVERSION PARTICLE AGGLOMERATION

#19
20240084190
2024-03-14

EMULSIONS INCLUDING POLYMERS, TREATMENT FLUIDS INCLUDING EMULSIONS, AND METHODS FOR TREATING SUBTERRANEAN FORMATIONS

#20
20230407164
2023-12-21

Water-Based Anionic Friction Reducer

#21
20230357629
2023-11-09

Inverting surfactants for inverse emulsions

#22
20230106492
2023-04-06

SYNTHESIS OF DRAG REDUCING LATEX PRODUCT USING CATIONIC SURFACTANTS IN EMULSION POLYMERIZATION

#23
20230065802
2023-03-02

Particles for carriers and tracers

#24
20230020371
2023-01-19

Storable liquid suspension of hollow particles

#25
20220411689
2022-12-29

Plasticized polyvinyl alcohol diverter materials

#26
20220363978
2022-11-17

Method of evaluating surfactants for enhanced oil recovery

#27
20220259487
2022-08-18

COMPOSITIONS AND METHODS USING CHLORATE TO BREAK POLYACRYLAMIDE

#28
20220243016
2022-08-04

Aqueous formulations

#29
20220177768
2022-06-09

Method of using composite diversion particle agglomerations

#30
20220065086
2022-03-03

Associative polymer fluid with clay nanoparticles for proppant suspension

#31
20220017815
2022-01-20

Tracer eluting proppants for hydraulic fracturing

#32
20210388256
2021-12-16

Process of fracturing subterranean formations

#33
20210363415
2021-11-25

Degradable diversion material having a polyacrylate compound

#34
20210363414
2021-11-25

Multi-functional diverter particulates

#35
20210363409
2021-11-25

Enhanced friction reducers for water-based fracturing fluids

#36
20210317249
2021-10-14

SYNTHETIC METHOD FOR THE PREPARATION OF RHEOLOGICAL MODIFYING POLYMERS AND THE USE THEREOF

#37
20210277303
2021-09-09

Storable liquid suspension of hollow particles

#38
20210246353
2021-08-12

Thermoassociative polymers in subterranean treatment fluids

#39
20210207464
2021-07-08

Polymer blends for stimulation of oil and gas wells

#40
20210189227
2021-06-24

PICKERING EMULSIONS USED IN WELLBORE SERVICING FLUIDS AND METHODS

#41
20210179758
2021-06-17

Process for producing aqueous polyacrylamide solutions

#42
20210171825
2021-06-10

Cavitation of polymer-containing fluids for use in subterranean formations

#43
20210171370
2021-06-10

Methods of removing polymers from treatment fluids for use in subterranean formations

#44
20210163810
2021-06-03

Plasticized polyvinyl alcohol diverter materials

#45
20210155846
2021-05-27

Multifunctional friction reducers

#46
20210130679
2021-05-06

Water-soluble polymer slurry for fracturing fluids

#47
20210079291
2021-03-18

Screening method for friction reducer precipitation

#48
20210062072
2021-03-04

High temperature treatment fluids with nano-crosslinkers

#49
20210062071
2021-03-04

Enhanced high temperature crosslinked fracturing fluids

#50
20210017843
2021-01-21

Associative polymer fluid with clay nanoparticles for proppant suspension

#51
20200399531
2020-12-24

Composition and method for improving performance of friction reducing polymers in high dissolved solids water

#52
20200397093
2020-12-24

Boosters for breakers containing iron compounds

#53
20200392400
2020-12-17

Enhanced proppant transport for hydraulic fracturing

#54
20200392271
2020-12-17

ASSOCIATIVE POLYMER STRUCTURES AND METHODS OF USE THEREOF

#55
20200325387
2020-10-15

HIGH TEMPERATURE FRACTURING FLUIDS WITH NANO-CROSSLINKERS

#56
20200308477
2020-10-01

Downhole high temperature rheology control

#57
20200308314
2020-10-01

PROCESS FOR PRODUCING AQUEOUS POLYACRYLAMIDE SOLUTIONS

#58
20200299560
2020-09-24

Treatment methods using aqueous fluids containing oil-soluble treatment agents

#59
20200231869
2020-07-23

Encapsulation and controlled delivery of strong mineral acids

#60
20200231868
2020-07-23

Encapsulation and controlled delivery of strong mineral acids

#61
20200199443
2020-06-25

POLYMERIC SYSTEMS FOR PARTICLE DISPERSION

#62
20200123436
2020-04-23

Fracturing method using low-viscosity fluid with low proppant settling rate

#63
20200115621
2020-04-16

Methods for hydrocarbon recovery

#64
20200063020
2020-02-27

Ultra-high temperature fracturing fluid

#65
20200063015
2020-02-27

COMPOSITE DIVERSION PARTICLE AGGLOMERATION

#66
20200048541
2020-02-13

Methods for controlling conductive aggregates

#67
20200010593
2020-01-09

Surfactant responsive emulsion polymerization micro-gels

#68
20190367803
2019-12-05

Easily dispersible polymer powder for hydrocarbon extraction

#69
20190338179
2019-11-07

Method for Enhancing Productivity of Hydrocarbon Formations Using Fluid Containing Organometallic Crosslinking Agent and Scale Inhibitor

#70
20190218451
2019-07-18

High temperature fracturing fluids with nano-crosslinkers

#71
20190218450
2019-07-18

High temperature fracturing fluids with nano-crosslinkers

#72
20190211255
2019-07-11

Emulsions including polymers, treatment fluids including emulsions, and methods for treating subterranean formations

#73
20190161673
2019-05-30

Proppant Transport With Low Polymer Concentration Slurry

#74
20190144742
2019-05-16

Friction reducers and well treatment fluids

#75
20190127628
2019-05-02

Nanotube mediation of degradative chemicals for oil-field application

#76
20190119563
2019-04-25

Determining residual friction reducer concentrations for subterranean treatment fluids

#77
20190112521
2019-04-18

Friction Reduction and Suspension in High TDS Brines

#78
20190062619
2019-02-28

Enhanced high temperature crosslinked fracturing fluids

#79
20190048246
2019-02-14

AQUEOUS AMPHOLYTE POLYMER CONTAINING SOLUTIONS FOR SUBTERRANEAN APPLICATIONS

#80
20190040305
2019-02-07

Fracturing method using a low-viscosity fluid with low proppant settling rate

#81
20190040294
2019-02-07

Viscoelastic fluid compositions, oil flowable/oil dispersion compositions, and drilling fluid compositions

#82
20180362837
2018-12-20

Terpolymer compositions

#83
20180355240
2018-12-13

Systems and methods for breaking friction reducers in-situ

#84
20180346803
2018-12-06

Method for reducing the viscosity of viscosified fluids for applications in natural gas and oil fields

#85
20180346802
2018-12-06

Hydraulic Fracturing Fluid

#86
20180327655
2018-11-15

Method for reducing the viscosity of viscosified fluids for applications in natural gas and oil fields

#87
20180298273
2018-10-18

COMPOSITION IN PARTICULATE FORM COMPRISING A POLYMER AND A PROPPANT USEFUL FOR HYDRAULIC FRACTURING OPERATION

#88
20180273836
2018-09-27

Multifunctional brush photopolymerized coated proppant particulates use in subterranean formation operations

#89
20180258344
2018-09-13

Subterranean stimulation operations utilizing degradable pre-coated particulates

#90
20180237680
2018-08-23

Core-shell particles for treatment of subterranean formations

#91
20180215993
2018-08-02

Acrylic acid crosslinked polymer and use thereof

#92
20180155615
2018-06-07

Enhanced proppant transport for hydraulic fracturing

#93
20180148635
2018-05-31

Polymeric systems for particle dispersion

#94
20180148634
2018-05-31

Fluid composition for stimulation in the field of oil or gas production

#95
20180127643
2018-05-10

Forming proppant-free channels in propped vertically oriented fractures

#96
20180112125
2018-04-26

Combo hydraulic fracturing fluid concentrate having both drag reduction and sand-carrying properties

#97
20180112119
2018-04-26

Reverse emulsion-based slick water concentration system with drag reduction, flow back enhancement and clay stabilization functions

#98
20180112118
2018-04-26

Oil-phase-free triple-play slick water concentration system with effects of synergistically reducing drag, assisting drainage and promoting clay stabilization

#99
20180112117
2018-04-26

Multifunctional slick water concentrate integrating properties of drag reducer, flow back surfactant and clay stabilizer

#100
20180105737
2018-04-19

Activator for breaking system in high-temperature fracturing fluids

#101
20180086971
2018-03-29

High temperature fracturing fluids with nano-crosslinkers

#102
20180073340
2018-03-15

Polymer blends for stimulation of oil and gas wells

#103
20180051202
2018-02-22

Thermoset coating compositions for sand particulates in subterranean operations

#104
20170362497
2017-12-21

Easily dispersible polymer powder for hydrocarbon extraction

#105
20170362486
2017-12-21

Biopolymer composite for water-based treatment fluids

#106
20170349813
2017-12-07

Smart fracturing fluid

#107
20170335177
2017-11-23

PROPPANT MATERIALS FOR ADDITIVE DELIVERY

#108
20170335162
2017-11-23

Salt-tolerant, thermally-stable rheology modifiers

#109
20170327727
2017-11-16

Slow-release scale inhibiting compositions

#110
20170313930
2017-11-02

Polyacrylamide slurry for fracturing fluids

#111
20170298269
2017-10-19

Hydration of associative polymers

#112
20170226408
2017-08-10

Flooding operations employing chlorine dioxide

#113
20170218252
2017-08-03

Oil field treatment fluids

#114
20170198206
2017-07-13

HIGH TEMPERATURE VISCOUS FLUID SYSTEMS IN HIGH SALINITY WATER

#115
20170183564
2017-06-29

Encapsulation and controlled delivery of strong mineral acids

#116
20170174982
2017-06-22

Temperature-triggered viscosifier for treatment of a subterranean formation

#117
20170158948
2017-06-08

Methods for hydrocarbon recovery

#118
20170101578
2017-04-13

Low-toxicity, low-flammability, environmentally-safe, friction reducer fluid for hydraulic fracturing

#119
20170096597
2017-04-06

FRICTION REDUCTION ENHANCEMENT

#120
20170088770
2017-03-30

Friction reducers and well treatment fluids

#121
20170051196
2017-02-23

Viscosifiers and filtration control agents for use in high temperature subterranean operations

#122
20170037302
2017-02-09

High temperature fracturing fluids with nanoparticles

#123
20170015899
2017-01-19

CONTROLLING SOLID SUSPENSION IN FLUIDS

#124
20170002262
2017-01-05

Sulfonated relative permeability modifiers for reducing subterranean formation water permeability

#125
20170002259
2017-01-05

Microbial viscosity breaker compositions

#126
20160367955
2016-12-22

Viscous fluid dilution system and method thereof

#127
20160355726
2016-12-08

Methods for improving the distribution of a sealant composition in a wellbore and treatment fluids providing the same

#128
20160340571
2016-11-24

Compositions and Methods for Hydrophobically Modifying Fracture Faces

#129
20160326425
2016-11-10

Wellbore servicing materials and methods of making and using same

#130
20160319183
2016-11-03

Surface modification agent emulsions comprising hydrophobically modified amine-containing polymers for use in subterranean formations

#131
20160312109
2016-10-27

Boosters for breakers containing iron compounds

#132
20160304769
2016-10-20

Terpolymer compositions

#133
20160304646
2016-10-20

Surfactant Responsive Emulsion Polymerization Micro-Gels

#134
20160298023
2016-10-13

Fracturing fluids based on associative polymers and on labile surfactants

#135
20160272876
2016-09-22

Fluid composition for stimulation in the field of oil or gas production

#136
20160272869
2016-09-22

Treatment fluids and uses thereof

#137
20160272868
2016-09-22

High-temperature high-pressure (HTHP) stable synthetic polymer for water based oil-well servicing fluids

#138
20160264850
2016-09-15

Method for chemically controlling delay time for breaking polymers

#139
20160264835
2016-09-15

VISCOSIFIER FOR TREATMENT OF A SUBTERRANEAN FORMATION

#140
20160257873
2016-09-08

Viscosifier agent for oilfield fluids in hard conditions

#141
20160214896
2016-07-28

Block polymers for fluid loss control

#142
20160200969
2016-07-14

STABILISED COMPOSITIONS CONTAINING ACRYLAMIDE POLYMERS, AND METHOD FOR THE TERTIARY PRODUCTION OF CRUDE OIL USING SAID COMPOSITIONS

#143
20160177693
2016-06-23

COMPOSITIONS AND METHODS OF IMPROVING HYDRAULIC FRACTURE NETWORK

#144
20160168449
2016-06-16

High temperature fracturing fluids with nano-crosslinkers

#145
20160160117
2016-06-09

Treatment fluids containing polysaccharides with friction reducing grafts thereon

#146
20160137908
2016-05-19

Improved Suspension of Proppant Particles in Hydraulic Fracturing Liquid

#147
20160137905
2016-05-19

COMPOSITION FOR FINES AGGLOMERATION

#148
20160122627
2016-05-05

Temperature-stable, electrolytic hydrogel and method for stimulating crude oil and natural gas deposits

#149
20160113856
2016-04-28

COMPOSITIONS WITH PH RESPONSIVE COPOLYMER CONTAINING MAEP AND/OR MAHP AND METHODS FOR USING SAME

#150
20160090526
2016-03-31

Multifunctional boronic crosslinkers as dual viscosification and friction reducing agents

#151
20160075942
2016-03-17

Breakers containing iron compounds and their methods of use

#152
20160068740
2016-03-10

Well servicing fluid

#153
20160068738
2016-03-10

Gelling agent for water shut-off in oil and gas wells

#154
20160053166
2016-02-25

Gellable treatment fluids having adjustable gel times and methods associated therewith

#155
20160046857
2016-02-18

Buoyant Fluid Composition

#156
20160040055
2016-02-11

Compositions for treating subterranean formations

#157
20160032700
2016-02-04

COMPOSITIONS AND METHODS FOR TREATING SUBTERRANEAN FORMATIONS

#158
20160017215
2016-01-21

Encapsulation and controlled delivery of strong mineral acids

#159
20160017207
2016-01-21

Internal olefin sulfonate composition

#160
20150361321
2015-12-17

Gellable treatment fluids comprising quaternary ammonium salt gel-time modifiers and methods for use thereof

#161
20150307772
2015-10-29

Compositions and methods for making aqueous slurry

#162
20150291873
2015-10-15

Thermoset nanocomposite particles, processing for thier production, and their use in oil and natural gas drilling applications

#163
20150218440
2015-08-06

SYSTEMS AND METHODS FOR PROVIDING POLYMERS TO A FRACTURING OPERATION

#164
20150218437
2015-08-06

PERACETIC ACID OIL-FIELD BIOCIDE AND METHOD

#165
20150197686
2015-07-16

Treatment fluids comprising viscosifying agents and methods of using the same

#166
20150183911
2015-07-02

Amphiphilic macromolecule and the purpose of this amphiphilic macromolecule

#167
20150144346
2015-05-28

INTERPOLYMER CROSSLINKED GEL AND METHOD OF USING

#168
20150129226
2015-05-14

Thickening of fluids

#169
20150075789
2015-03-19

Boronated biopolymer crosslinking agents and methods relating thereto

#170
20150060072
2015-03-05

METHODS OF TREATMENT OF A SUBTERRANEAN FORMATION WITH COMPOSITE POLYMERIC STRUCTURES FORMED IN SITU

#171
20150060062
2015-03-05

Method for enhancing productivity of hydrocarbon formations using fluid containing organometallic crosslinking agent and scale inhibitor

#172
20150045260
2015-02-12

Thermal insulating fluids

#173
20150027702
2015-01-29

Methods of treatment of a subterranean formation with polymeric structures formed in situ

#174
20150013983
2015-01-15

Solid-supported crosslinker for treatment of a subterranean formation

#175
20150011442
2015-01-08

Method of treating a high-temperature well with a fluid containing a viscosifier and a stabilizer package

#176
20150005206
2015-01-01

High-temperature crosslinked polymer for use in a well

#177
20150005205
2015-01-01

CHLORINE DIOXIDE-MEDIATED POLYMER HYDRATION

#178
20140378617
2014-12-25

Preparation of amphiphilic block polymers by controlled radical micellar polymerisation

#179
20140367111
2014-12-18

WETTABILITY ALTERING GELLABLE TREATMENT FLUIDS

#180
20140367108
2014-12-18

Acidizing compositions including ampholyte polymers

#181
20140352969
2014-12-04

Ampholyte polymers and methods of treating subterranean formations with the same

#182
20140352962
2014-12-04

Ampholyte polymeric compounds in subterranean applications

#183
20140352960
2014-12-04

Ampholyte polymeric compounds in subterranean applications

#184
20140350204
2014-11-27

Amphiphilic macromolecule and the purpose of this amphiphilic macromolecule

#185
20140349897
2014-11-27

Treatment fluids with non-oxidizer class inorganic peroxide polymer breakers and methods of use thereof

#186
20140342952
2014-11-20

Method of treating a high-temperature well with a fluid containing a viscosifier and a stabilizer package

#187
20140338907
2014-11-20

Wellbore servicing materials and methods of making and using same

#188
20140329727
2014-11-06

Electromagnetic Wave Treatment Method And Promoter

#189
20140329726
2014-11-06

Polymeric Additives for Enhancement of Treatment Fluids Comprising Viscoelastic Surfactants and Methods of Use

#190
20140316092
2014-10-23

Amphiphilic macromolecule and use thereof

#191
20140309148
2014-10-16

Spread crosslinker and method

#192
20140309147
2014-10-16

Spread crosslinker and method of water control downhole

#193
20140251624
2014-09-11

Method of servicing a wellbore with an aqueous gel containing a friction reducer

#194
20140179888
2014-06-26

PREVENTION AND REMEDIATION OF WATER AND CONDENSATE BLOCKS IN WELLS

#195
20140151053
2014-06-05

Polymeric treatment and wellbore pump arranged to increase hydrocarbon production

#196
20140134749
2014-05-15

Sampling procedure for polymer-based solutions used in underground formations

#197
20140057812
2014-02-27

Self-assembling materials for wellbore servicing and methods of using same

#198
20140054035
2014-02-27

Methods for propping fractures using proppant-laden aggregates and shear-thickening fluids

#199
20140051610
2014-02-20

Environmentally beneficial recycling of brines in the process of reducing friction resulting from turbulent flow

#200
20140014349
2014-01-16

Fracturing operations employing chlorine dioxide

#201
20140000897
2014-01-02

Fracturing fluids and methods for treating hydrocarbon-bearing formations

#202
20140000890
2014-01-02

Fracturing fluids and methods for treating hydrocarbon-bearing formations

#203
20130327530
2013-12-12

Composition and Method to Replace Polysacharides in Hydraulic Fracturing

#204
20130324443
2013-12-05

Salt-tolerant, thermally-stable rheology modifiers

#205
20130277054
2013-10-24

Gellable treatment fluids having adjustable gel times and methods associated therewith

#206
20130255954
2013-10-03

Aqueous fracturing fluid composition and fracturing process using the composition

#207
20130180713
2013-07-18

In-situ crosslinking with aluminum carboxylate for acid stimulation of a carbonate formation

#208
20130157902
2013-06-20

High molecular weight low polydispersity polymers

#209
20130157901
2013-06-20

High molecular weight low polydispersity polymers

#210
20130056199
2013-03-07

Lewis acid as gelation retarder for crosslinkable polymer compositions

#211
20130000911
2013-01-03

Gellable treatment fluids comprising quaternary ammonium salt gel-time modifiers and methods for use thereof

#212
20120329684
2012-12-27

Polymeric gel system and methods for making and using same in hydrocarbon recovery

#213
20120316090
2012-12-13

Environmentally friendly dispersion system used in the preparation of inverse emulsion polymers

#214
20120283150
2012-11-08

Polymeric additives for enhancement of treatment fluids comprising viscoelastic surfactants and methods of use

#215
20120279708
2012-11-08

Salt of weak bronsted base and bronsted acid as gelation retarder for crosslinkable polymer compositions

#216
20120267113
2012-10-25

TREATMENT OF OIL

#217
20120264655
2012-10-18

THERMO-RESPONSIVE HYDROGELS AND THERMO-RESPONSIVE POLYMER SOLUTIONS

#218
20120261129
2012-10-18

Electromagnetic wave treatment method and promoter

#219
20120252707
2012-10-04

METHODS AND COMPOSITIONS TO DELAY VISCOSIFICATION OF TREATMENT FLUIDS

#220
20120231977
2012-09-13

Thermal insulating fluids

#221
20120214714
2012-08-23

PROCESS FOR ACHIEVING IMPROVED FRICTION REDUCTION IN HYDRAULIC FRACTURING AND COILED TUBING APPLICATIONS IN HIGH SALINITY CONDITIONS

#222
20120196776
2012-08-02

Oil field treatment fluids

#223
20120138294
2012-06-07

INTERPOLYMER CROSSLINKED GEL AND METHOD OF USING

#224
20120132422
2012-05-31

INTERPOLYMER CROSSLINKED GEL AND METHOD OF USING

#225
20120130030
2012-05-24

Polycarboxylic acid gelling agents

#226
20120111564
2012-05-10

Methods and compositions for altering the viscosity of treatment fluids used in subterranean operations

#227
20120073809
2012-03-29

DIVERSION PILL AND METHODS OF USING THE SAME

#228
20120071372
2012-03-22

Prevention and remediation of water and condensate blocks in wells

#229
20120043085
2012-02-23

WELLBORE SERVICE FLUID AND METHODS OF USE

#230
20120012325
2012-01-19

HIGH TEMPERATURE STABILIZER FOR WELL TREATMENT FLUIDS AND METHODS OF USING SAME

#231
20120006551
2012-01-12

Method of fracturing with phenothiazine stabilizer

#232
20120006549
2012-01-12

Well servicing fluid

#233
20110275736
2011-11-10

Compositions for modifying rheological properties of cement systems

#234
20110269651
2011-11-03

Water-soluble degradable synthetic vinyl polymers and related methods

#235
20110245114
2011-10-06

Method of servicing a wellbore with an aqueous gel containing a friction reducer

#236
20110214867
2011-09-08

Lewis acid as gelation retarder for crosslinkable polymer compositions

#237
20110214866
2011-09-08

SALT OF WEAK BRONSTED BASE AND BRONSTED ACID AS GELATION RETARDER FR CROSSLINKABLE POLYMER COMPOSITIONS

#238
20110214865
2011-09-08

Weak organic acid as gelation retarder for crosslinkable polymer compositions

#239
20110214857
2011-09-08

AMMONIUM HALIDE AS GELATION RETARDER FOR CROSSLINKABLE POLYMER COMPOSITIONS

#240
20110071058
2011-03-24

Composition and method for slickwater application

#241
20110053812
2011-03-03

Polymeric additives for enhancement of treatment fluids comprising viscoelastic surfactants and methods of use

#242
20110011136
2011-01-20

WASHING SYSTEM

#243
20100230106
2010-09-16

Relative permeability modification

#244
20100197530
2010-08-05

Oil field treatment fluids with viscosified brines

#245
20100186966
2010-07-29

Method of improving performance and efficiency of wellbore pump for hydrocarbon production

#246
20100175880
2010-07-15

Method of using crosslinkable brine containing compositions

#247
20100160449
2010-06-24

Oil-field biocide method utilizing a peracid

#248
20100137169
2010-06-03

Method for treating a fractured formation with a non-ionic fluorinated polymeric surfactant

#249
20100093891
2010-04-15

Self-Viscosifying and Self-Breaking Gels

#250
20100069271
2010-03-18

Viscosity Breaker for Polyacrylamide Friction Reducers

#251
20090298721
2009-12-03

Friction reducer performance in water containing multivalent ions

#252
20090281002
2009-11-12

PREVENTION AND REMEDIATION OF WATER AND CONDENSATE BLOCKS IN WELLS

#253
20090192058
2009-07-30

Method of fracturing with phenothiazine stabilizer

#254
20090192056
2009-07-30

Friction loss reduction in viscoelastic surfactant fracturing fluids using low molecular weight water-soluble polymers

#255
20090192051
2009-07-30

HIGH TEMPERATURE STABILIZER FOR WELL TREATMENT FLUIDS AND METHODS OF USING SAME

#256
20090181866
2009-07-16

Methods and compositions for altering the viscosity of treatment fluids used in subterranean operations

#257
20090151945
2009-06-18

Process to prepare borozirconate solution and use as a cross-linker in hydraulic fracturing fluids

#258
20090120642
2009-05-14

Methods to enhance gas production following a relative-permeability-modifier treatment

#259
20090023617
2009-01-22

Friction reducer performance by complexing multivalent ions in water

#260
20080251252
2008-10-16

Polymeric gel system and methods for making and using same in hydrocarbon recovery

#261
20080182762
2008-07-31

Rheology controlled heterogeneous particle placement in hydraulic fracturing

#262
20080135247
2008-06-12

Fracturing Fluid Loss Control Agent

#263
20080087432
2008-04-17

Friction loss reduction in viscoelastic surfactant fracturing fluids using low molecular weight water-soluble polymers

#264
20080004188
2008-01-03

Method of thickening salt-containing media by adding methacrylate derivatives

#265
20070284101
2007-12-13

Viscosity breaker for polyacrylamide friction reducers

#266
20070207933
2007-09-06

Treatment fluids comprising friction reducers and antiflocculation additives and associated methods

#267
20070135313
2007-06-14

Water-based polymers for use as friction reducers in aqueous treatment fluids

#268
20070039732
2007-02-22

Methods and compositions for improving hydrocarbon recovery by water flood intervention

#269
20060247136
2006-11-02

Viscosified treatment fluids comprising polycarboxylic acid gelling agents and associated methods

#270
20060081369
2006-04-20

Divinyl sulfone crosslinking agents and methods of use in subterranean applications

#271
20050000694
2005-01-06

Methods of reducing water permeability for acidizing a subterranean formation

#272
18352214
2023-12-19

Structural stabilizer for fiber and conventional proppant complex in efficient proppant migration and placement technology of fractured well and preparation method

#273
17171518
2022-06-07

Proportioning of an additive in treatment fluids for delivery into a subterranean formation

#274
15368037
2017-12-19

Encapsulating agent and preparing method thereof, and drilling fluid for petroleum drilling

#275
14483068
2015-07-07

Gelling agent for water shut-off in oil and gas wells